The main difference between the brake fluids is the Temperature
range. The Toyota is fine. I would drain and replace the Vanagons
fluid with DOT 4.

            Eric                   86-VW4x4
            vw4x4@fyi.net          72-240z
            Pittsburgh, PA USA     1936-Chrysler

On Mon, 21 Jun 1999, L&A Johnson wrote:

> I messed up. I need to know if I did any harm.
>
> Yesterday was brake fluid day. I changed the brake fluid in our 1986
> Syncro Westfalia and our 1991 Toyota MR2 Turbo. I had a liter of DOT3
> and a liter of DOT4. I didn't look in the manuals and I should have. I
> assumed, incorrectly, that DOT4 would go in the MR2 where higher braking
> temperatures were likely and that DOT3 would go in the Syncro. I was
> wrong. I had it backwards.
>
> Now,  have I done any harm? Must I redo the job with the correct DOTs in
> the correct vehicles? If not, what are the consequences of leaving it
> this way?
>
> Any and all advice (and wise cracks) accepted.
> Larry
>